tvl-depot/shell.nix
Griffin Smith 6eba471e24 Use haskellSrc2nix over explicit cabal2nix
Use the (undocumented!) helper function haskellSrc2nix over having to
explicitly run cabal2nix all the time when rebuilding
2019-08-31 13:15:17 -04:00

28 lines
706 B
Nix

{ nixpkgs ? import ./nixpkgs.nix {}, compiler ? "ghc865", withHoogle ? true }:
let
inherit (nixpkgs) pkgs;
pkg = import ./pkg.nix { inherit nixpkgs; };
packageSet = (
if compiler == "default"
then pkgs.haskellPackages
else pkgs.haskell.packages.${compiler}
);
haskellPackages = (
if withHoogle
then packageSet.override {
overrides = (self: super: {
ghc = super.ghc // { withPackages = super.ghc.withHoogle; };
ghcWithPackages = self.ghc.withPackages;
});
}
else packageSet
);
drv = haskellPackages.callPackage pkg {};
inherit (pkgs.haskell.lib) addBuildTools;
in
(addBuildTools drv (with haskellPackages; [ cabal-install ])).env